Inventor · disambiguated record
Nobufumi Watanabe
Also filed as: WATANABE NOBUFUMI
3 granted patents·2 pending applications·2 citations·filing 2008–2022
50Inventor score
Files withSUMITOMO CHEMICAL CO5
Top patents by PatentIndex Score
5 records- 0166US7692044B2Process for producing cycloalkanol and/or cycloalkanoneSUMITOMO CHEMICAL CO·Filed 2008·Granted Apr 6, 2010·2 cites·7 claims
- 0252US7923583B2Method for producing cycloalkanol and/or cycloalkanoneSUMITOMO CHEMICAL CO·Filed 2009·Granted Apr 12, 2011·0 cites·6 claims
- 0351US2024351015A1Method of regenerating nitrous oxide-decomposing catalyst and method of decomposing nitrous oxideSUMITOMO CHEMICAL CO·Filed 2022·Application pending·0 cites
- 0446US10457636B2Production method of ϵ-caprolactamSUMITOMO CHEMICAL CO·Filed 2017·Granted Oct 29, 2019·0 cites·5 claims
- 0523US2010324335A1Process for producing oximeSUMITOMO CHEMICAL CO·Filed 2010·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Nobufumi Watanabe files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →